1 files changed, 4 insertions, 3 deletions
diff --git a/libstdc++-v3/testsuite/27_io/ios_base/types/iostate/case_label.cc b/libstdc++-v3/testsuite/27_io/ios_base/types/iostate/case_label.cc
index 7d777b89c67..5ca9f5f8759 100644
--- a/libstdc++-v3/testsuite/27_io/ios_base/types/iostate/case_label.cc
+++ b/libstdc++-v3/testsuite/27_io/ios_base/types/iostate/case_label.cc
@@ -1,5 +1,5 @@
-// { dg-do compile }
-// { dg-options "-Wall" { target *-*-* } }
+// { dg-do compile { target c++11 } }
+// { dg-options "-Wall" }
 // -*- C++ -*-
  
 // Copyright (C) 2004-2016 Free Software Foundation, Inc.
@@ -47,6 +47,7 @@ case_labels(bitmask_type b)
     case ~__INT_MAX__:
       break;
     }
-  static_assert( sizeof(std::underlying_type_t<bitmask_type>) == sizeof(int),
+  using underlying_type = std::underlying_type<bitmask_type>::type;
+  static_assert( sizeof(underlying_type) == sizeof(int),
       "underlying type has same range of values as int");
 }